Notification: Performance of loadModel(Modelica): time 1.542/1.542, allocations: 194.5 MB / 200.7 MB, free: 5.184 MB / 168.6 MB
Notification: Performance of FrontEnd - loaded program: time 9.289e-06/9.289e-06, allocations: 1.031 kB / 247.4 MB, free: 4.652 MB / 200.6 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.07462/0.07469, allocations: 44.37 MB / 291.8 MB, free: 9.207 MB / 248.6 MB
Notification: Performance of FrontEnd - scodeFlatten: time 4.786/4.86, allocations: 2.66 GB / 2.945 GB, free: 54.44 MB / 392.6 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.00019/4.861, allocations: 85.39 kB / 2.945 GB, free: 54.4 MB / 392.6 MB
Notification: Performance of FrontEnd: time 4.287/9.148, allocations: 1.018 GB / 3.963 GB, free: 26.8 MB / 456.6 MB
Notification: Performance of Transformations before backend: time 0.0002503/9.148, allocations: 74.75 kB / 3.963 GB, free: 26.79 MB / 456.6 MB
Notification: Performance of Generate backend data structure: time 0.01592/9.164, allocations: 4.415 MB / 3.968 GB, free: 24.86 MB / 456.6 MB
Notification: Performance of prepare preOptimizeDAE: time 4.33e-05/9.164, allocations: 8.75 kB / 3.968 GB, free: 24.86 MB / 456.6 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01311/9.177, allocations: 1.152 MB / 3.969 GB, free: 24.69 MB / 456.6 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007362/9.185, allocations: 2.208 MB / 3.971 GB, free: 24.21 MB / 456.6 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003145/9.185, allocations: 202.9 kB / 3.971 GB, free: 24.14 MB / 456.6 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009038/9.186, allocations: 148.1 kB / 3.971 GB, free: 24.14 MB / 456.6 MB
Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.008188/9.194, allocations: 3.531 MB / 3.975 GB, free: 24.12 MB / 456.6 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.009172/9.204, allocations: 3.714 MB / 3.978 GB, free: 23.54 MB / 456.6 MB
Notification: Performance of preOpt findStateOrder (simulation): time 8.262e-05/9.204, allocations: 11.12 kB / 3.979 GB, free: 23.54 MB / 456.6 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004192/9.204, allocations: 6.688 kB / 3.979 GB, free: 23.54 MB / 456.6 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002352/9.205, allocations: 231.3 kB / 3.979 GB, free: 23.53 MB / 456.6 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03199/9.237, allocations: 19.87 MB / 3.998 GB, free: 11.86 MB / 456.6 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.003175/9.24, allocations: 1.524 MB / 4 GB, free: 11.83 MB / 456.6 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003038/9.243, allocations: 1.496 MB / 4.001 GB, free: 11.82 MB / 456.6 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.04358/9.287, allocations: 17.06 MB / 4.018 GB, free: 17.28 MB / 472.6 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.615e-05/9.287, allocations: 57.88 kB / 4.018 GB, free: 17.23 MB / 472.6 MB
Notification: Performance of pre-optimization done (n=194): time 8.241e-06/9.287, allocations: 0 / 4.018 GB, free: 17.23 MB / 472.6 MB
Notification: Performance of matching and sorting (n=244): time 0.213/9.5, allocations: 19.25 MB / 4.037 GB, free: 15.47 MB / 472.6 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.42e-05/9.5, allocations: 131.3 kB / 4.037 GB, free: 15.34 MB / 472.6 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002332/9.503, allocations: 1.216 MB / 4.038 GB, free: 15.16 MB / 472.6 MB
Notification: Performance of collectPreVariables (initialization): time 0.0006031/9.503, allocations: 30.7 kB / 4.038 GB, free: 15.13 MB / 472.6 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0005622/9.504, allocations: 0.908 MB / 4.039 GB, free: 14.59 MB / 472.6 MB
Notification: Performance of collectInitialBindings (initialization): time 0.001209/9.505, allocations: 0.7905 MB / 4.04 GB, free: 14.06 MB / 472.6 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003763/9.506, allocations: 3.594 kB / 4.04 GB, free: 14.06 MB / 472.6 MB
Notification: Performance of setup shared object (initialization): time 0.0001976/9.506, allocations: 417.4 kB / 4.04 GB, free: 13.75 MB / 472.6 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004154/9.51, allocations: 2.035 MB / 4.042 GB, free: 13.74 MB / 472.6 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004523/9.515, allocations: 2.535 MB / 4.044 GB, free: 13.22 MB / 472.6 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.02205/9.537, allocations: 4.572 MB / 4.049 GB, free: 13.18 MB / 472.6 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.612e-05/9.537, allocations: 3.562 kB / 4.049 GB, free: 13.18 MB / 472.6 MB
Notification: Performance of matching and sorting (n=339) (initialization): time 0.04317/9.58, allocations: 10.44 MB / 4.059 GB, free: 12.88 MB / 472.6 MB
Notification: Performance of prepare postOptimizeDAE: time 0.001446/9.582, allocations: 5.422 MB / 4.064 GB, free: 7.344 MB / 472.6 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.132e-05/9.582, allocations: 14.72 kB / 4.064 GB, free: 7.344 MB / 472.6 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01879/9.601, allocations: 4.46 MB / 4.069 GB, free: 7.266 MB / 472.6 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002226/9.603, allocations: 369.1 kB / 4.069 GB, free: 7.262 MB / 472.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02046/9.624, allocations: 7.962 MB / 4.077 GB, free: 6.105 MB / 472.6 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006016/9.63, allocations: 369.9 kB / 4.077 GB, free: 6.066 MB / 472.6 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007891/9.631, allocations: 157 kB / 4.077 GB, free: 6.062 MB / 472.6 MB
Notification: Performance of prepare postOptimizeDAE: time 1.355e-05/9.631, allocations: 6.688 kB / 4.077 GB, free: 6.062 MB / 472.6 MB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02864/9.66, allocations: 6.889 MB / 4.084 GB, free: 5.895 MB / 472.6 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.575e-05/9.66, allocations: 13.94 kB / 4.084 GB, free: 5.895 MB / 472.6 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01272/9.672, allocations: 2.486 MB / 4.087 GB, free: 5.805 MB / 472.6 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0033/9.676, allocations: 485.5 kB / 4.087 GB, free: 5.801 MB / 472.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009529/9.686, allocations: 4.262 MB / 4.091 GB, free: 5.207 MB / 472.6 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004867/9.691, allocations: 345.1 kB / 4.092 GB, free: 5.168 MB / 472.6 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005427/9.691, allocations: 140.7 kB / 4.092 GB, free: 5.168 MB / 472.6 MB
Warning: There are iteration variables with default zero start attribute. For more information set -d=initialization. In OMEdit Tools->Options->Simulation->OMCFlags, in OMNotebook call setCommandLineOptions("-d=initialization").
Notification: Performance of prepare postOptimizeDAE: time 0.0004267/9.692, allocations: 76.97 kB / 4.092 GB, free: 5.094 MB / 472.6 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003311/9.695, allocations: 0.6816 MB / 4.092 GB, free: 4.984 MB / 472.6 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02584/9.721, allocations: 11.73 MB / 4.104 GB, free: 2.754 MB / 472.6 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0273/9.748, allocations: 10.55 MB / 4.114 GB, free: 13.64 MB / 488.6 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.921e-05/9.748, allocations: 3.094 kB / 4.114 GB, free: 13.64 MB / 488.6 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0191/9.768, allocations: 10.32 MB / 4.124 GB, free: 4.316 MB / 488.6 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2285/9.996, allocations: 18.18 MB / 4.142 GB, free: 79.27 MB / 488.6 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.206e-05/9.996, allocations: 1.719 kB / 4.142 GB, free: 79.27 MB / 488.6 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003329/10, allocations: 423.9 kB / 4.142 GB, free: 79.27 MB / 488.6 MB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01126/10.01, allocations: 4.226 MB / 4.147 GB, free: 79.09 MB / 488.6 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006678/10.01, allocations: 70.92 kB / 4.147 GB, free: 79.09 MB / 488.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01679/10.03, allocations: 10.7 MB / 4.157 GB, free: 74.41 MB / 488.6 MB
Error: Model is structurally singular, error found sorting equations 
 35: $cse27 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(pump.p_b_nominal, pump.medium.h, 0, 0);
34: heater.statesFM[1].T = Modelica.Media.Water.IF97_Utilities.T_props_ph(pump.p_b_nominal, pump.medium.h, $cse27);
17: heater.heatTransfer.Ts[1] = Modelica.Media.Water.IF97_Utilities.T_props_ph(heater.mediums[1].p, heater.mediums[1].h, $cse17);
14: heater.flowModel.Fs_p[1] = heater.crossAreas[1] * (heater.mediums[1].p - pump.p_b_nominal) * heater.flowModel.nParallel;
27: pump.heatTransfer.states[1].phase = if pump.medium.h < Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(pump.p_b_nominal, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.boilingcurve_p(pump.p_b_nominal)) or pump.medium.h > Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(pump.p_b_nominal, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.dewcurve_p(pump.p_b_nominal)) or pump.p_b_nominal > 22064000.0 then 1 else 2;
26: $cse6 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(pump.p_b_nominal, pump.medium.h, pump.heatTransfer.states[1].phase, 0);
10: pump.Hb_flow = m_flow * (smooth(0, tank.medium.h) - smooth(0, pump.medium.h));
8: -pump.Hb_flow = pump.W_single * /*Real*/(pump.nParallel);
5: pump.eta = Modelica.Fluid.Machines.ControlledPump$pump.efficiencyCharacteristic(pump.V_flow_single * pump.N_nominal / pump.N, 0.8);
3: pump.dp_pump = pump.p_b_nominal - tank.ports[2].p;
38: $STATESET1.J[3] = pump.W_single - pump.dp_pump * pump.V_flow_single / pump.eta;
25: pump.rho = Modelica.Media.Water.IF97_Utilities.rho_props_ph(pump.p_b_nominal, pump.medium.h, $cse6);
7: pump.V_flow_single = pump.V_flow / /*Real*/(pump.nParallel);
9: pump.V_flow = m_flow / pump.rho;
33: heater.statesFM[1].d = Modelica.Media.Water.IF97_Utilities.rho_props_ph(pump.p_b_nominal, pump.medium.h, $cse27);
32: heater.flowModel.mus[1] = Modelica.Media.Water.IF97_Utilities.dynamicViscosity(heater.statesFM[1].d, heater.statesFM[1].T, pump.p_b_nominal, 0);
15: heater.flowModel.mus[2] = Modelica.Media.Water.IF97_Utilities.dynamicViscosity(heater.statesFM[2].d, heater.heatTransfer.Ts[1], heater.mediums[1].p, heater.statesFM[2].phase);
13: heater.flowModel.dps_fg[1] = -2.0 * heater.flowModel.Fs_p[1] / (heater.flowModel.nParallel * 2.0 * heater.crossAreas[1]);
11: m_flow = $cse43 * heater.flowModel.nParallel;
12: $cse43 = Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.WallFriction.massFlowRate_dp_staticHead(heater.flowModel.dps_fg[1], heater.statesFM[1].d, heater.statesFM[2].d, heater.flowModel.mus[1], heater.flowModel.mus[2], heater.pathLengths[1], heater.dimensions[1], 0.0, heater.crossAreas[1], heater.roughnesses[1], 0.5 * heater.flowModel.dp_small, heater.flowModel.Re_turbulent);
19: heater.statesFM[2].phase = if heater.mediums[1].h < Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(heater.mediums[1].p, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.boilingcurve_p(heater.mediums[1].p)) or heater.mediums[1].h > Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(heater.mediums[1].p, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.dewcurve_p(heater.mediums[1].p)) or heater.mediums[1].p > 22064000.0 then 1 else 2;
16: heater.statesFM[2].d = Modelica.Media.Water.IF97_Utilities.rho_props_ph(heater.mediums[1].p, heater.mediums[1].h, $cse17);
18: $cse17 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(heater.mediums[1].p, heater.mediums[1].h, heater.statesFM[2].phase, 0);
 for variables 
 $cse27.x(3), $cse27.vt(4), $cse27.pd(5), $cse27.region(6), pump.N(113), $cse27.dpT(8), $cse27.pt(7), $cse27.phase(10), $cse27.p(9), $cse27.s(11), $cse27.h(13), $cse27.cp(14), $cse27.R(15), $cse27.cv(12), $cse27.rho(17), tank.heatTransfer.states[1].phase(22), $cse1.dpT(27), $cse43(101), pump.V_flow(104), $cse6.cv(45), $cse1.pd(36), $cse6.region(42), pump.heatTransfer.states[1].phase(41), $cse6.vt(43), $cse1.cp(38), tank.regularFlow[2](40), $cse1.s(37), $cse6.cp(48), $cse6.rho(50), $cse6.dpT(46), $cse6.h(52), $cse6.x(53), $cse6.T(54), $cse6.R(55), $cse5.rho(65), $cse5.cp(64), heater.heatTransfer.Ts[1](96), heater.flowModel.mus[2](98), pump.eta(108), m_flow(102), tank.vessel_ps_static[2](61), pump.head(109), pump.W_single(105), heater.statesFM[1].d(20), $cse1.rho(30), pump.V_flow_single(106), pump.dp_pump(110), $cse17.R(95), heater.flowModel.dps_fg[1](100), $cse5.vt(77), pump.Hb_flow(103), $cse17.pt(81), heater.statesFM[2].phase(79), $cse17.pd(83), $cse17.p(89), $cse5.p(75), $cse5.T(76), $cse17.rho(80), $cse17.vp(84), $cse17.s(82), $cse17.cv(88), $cse17.phase(85), $cse17.region(91), $cse17.dpT(92), $cse17.x(93), $cse17.h(94), heater.flowModel.Fs_p[1](99), $cse1.phase(23)
Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed!
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.006493/10.04, allocations: 2.917 MB / 4.16 GB, free: 73.84 MB / 488.6 MB
Notification: Performance of postOpt detectJacobianSparsePattern (simulation): time 0.02913/10.06, allocations: 13.41 MB / 4.173 GB, free: 73.18 MB / 488.6 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.002747/10.07, allocations: 0.8523 MB / 4.174 GB, free: 73.09 MB / 488.6 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001139/10.07, allocations: 15.98 kB / 4.174 GB, free: 73.09 MB / 488.6 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004767/10.07, allocations: 301.8 kB / 4.174 GB, free: 73.09 MB / 488.6 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008626/10.07, allocations: 224.8 kB / 4.174 GB, free: 73.08 MB / 488.6 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004562/10.08, allocations: 121.9 kB / 4.174 GB, free: 73.08 MB / 488.6 MB
Notification: Performance of sort global known variables: time 0.001772/10.08, allocations: 0.8725 MB / 4.175 GB, free: 72.97 MB / 488.6 MB
Notification: Performance of remove unused functions: time 0.01393/10.09, allocations: 3.737 MB / 4.179 GB, free: 72.97 MB / 488.6 MB
Notification: Performance of Backend phase and start with SimCode phase: time 0.01586/10.11, allocations: 3.868 MB / 4.183 GB, free: 72.8 MB / 488.6 MB
Notification: Performance of simCode: created initialization part: time 0.02297/10.13, allocations: 9.273 MB / 4.192 GB, free: 72.62 MB / 488.6 MB
Notification: Performance of simCode: created event and clocks part: time 1.027e-05/10.13, allocations: 2.031 kB / 4.192 GB, free: 72.62 MB / 488.6 MB
Notification: Performance of simCode: created simulation system equations: time 0.01151/10.14, allocations: 5.047 MB / 4.197 GB, free: 72.58 MB / 488.6 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006882/10.15, allocations: 0.8819 MB / 4.198 GB, free: 72.57 MB / 488.6 MB
[SimCode/SimCodeUtil.mo:0:0-0:0:writable] Error: Internal error function createStateSetsSets failed.
[SimCode/SimCodeUtil.mo:0:0-0:0:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]